成分的

It mainly included the physical and chemical methods on nutrients, additives, noxious and adulterate substance in food, as well

它主要讲述食品成分的理化检验方法及仪器分析方法，包括食品的营养成分、添加剂、有毒有害物质等的分析检验方法。

Progress on Research of chemical constituents of Ailanthus, especially alkaloids and triterpenes is reviewed.

综述了臭椿属植物化学成分的研究进展，详细总结了主要化学成分生物碱及2000年至今所发现的三萜类化合物的研究进展。

By identifying the obtained components by TLC, three alkaloids components were detected, among which one was nuciferine. The other two were N-Nornucirerine and O- Nornucirerine, identified by Nuclear Magnetic Resonance and Mass Spectrum.6、In order to exploit natural bacteriostat of lotus leaves, optimal extraction process and antibacterial characteristics were studied.

两者得到的化合物分别经TLC鉴别，得到3个生物碱成分，其中1个为荷叶碱，其余两个应用核磁共振和质谱等技术鉴定为N-去甲荷叶碱和0-去甲荷叶碱。6、从荷叶天然食品抑菌剂开发的角度，研究了荷叶抑菌有效成分的提取优化工艺及抑菌特性。

To develop products of black functional foods, efforts should be made to take advantage of Chinese traditional medicinal theory, the new achievements of life science and recipes accumulated by folks. As for the processing technology, attention should be paid to maintain the natural color, nutritional composition and biologically active substances, and deodorize strange smell related to none-functional composition.

在黑色粮油食品产品开发中，可以通过应用中医理论，吸取生命科学的新成果及调查发掘民间传统习俗等途径设计产品配方；在加工工艺上注意有效保留原料的天然色泽、营养成分和活性物质，排除原料中非功能成分的异味。

It has the negative correlation with Cu、nicotine,has positive correlation with Zn、Cl and has negative correlation with deoxidize sugar/N.

因此深入研究土壤肥力与烟叶化学成分的关系，了解土壤肥力对烟叶化学成分的影响，能为改善植烟土壤环境、提高烟叶质量和合理施肥提供一定的科学依据。

If you discover your skin appears,Sao itchs, the state of desquamate, with respect to the choice those contain field mint, Huang Chunju to wait slow composition and the product that contain the moist part such as mineral, glycerine.

假如你发现自己的皮肤出现瘙痒。脱皮的状况，就选择那些含有薄荷。黄春菊等舒缓成分以及含有矿物质。甘油等滋润成分的产品。

Complexing action is universal in natural druggery, and it is reported that the biological activities of metallic complex is obvious stronger than single component due to the concordance effection.

络合作用在天然药物中也是普遍存在的，研究发现，根据协同效应，某些天然药物中有效成分的金属配合物的生物活性明显强于单一有效成分。

The relation of mildew and rot of bamboo wood with species of fungi and chemical composition of bamboo wood is discussed in this paper.

本文依据作者对竹材化学成分、竹材霉腐真菌和竹材防霉防腐技术多年研究的结果，以及其他相关资料，探讨了竹材霉腐与真菌种类，竹材化学成分的关系。

The spray's active ingredients are stored as powders for extended shelf life; they are dissolved in water just before deployment using a two-chamber sprayer.

通常，为了延长喷雾剂的主要成分的寿命，这些成分被磨成粉末进而保存，对其加工之前直接溶解到水中即可。

Correlation and stepwise multiple regression between main chemical compositions of tobacco leaves and climate factors in different stages during the growing season in different tobacco-growing areas were performed under the same cultivation conditions.

主要化学成分和大田生长期不同时段的气候因素进行多元相关及逐步回归分析，初步获得了两烟区烤烟化学成分的主导气候影响因子。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。